diff --git a/requirements.dev.txt b/requirements.dev.txt
index a0bbf53..89e224b 100644
--- a/requirements.dev.txt
+++ b/requirements.dev.txt
@@ -317,9 +317,9 @@ nbformat==5.0.3 \
     --hash=sha256:cca9a1acfd4e049dcd6c3628d3c84db8e48a770182fb7b87d6a62f9ceacfae39
 nodeenv==1.3.4 \
     --hash=sha256:561057acd4ae3809e665a9aaaf214afff110bbb6a6d5c8a96121aea6878408b3
-notebook==6.0.2 \
-    --hash=sha256:f67d76a68b1074a91693e95dea903ea01fd02be7c9fac5a4b870b8475caed805 \
-    --hash=sha256:399a4411e171170173344761e7fd4491a3625659881f76ce47c50231ed714d9b
+notebook==6.4.12 \
+    --hash=sha256:6268c9ec9048cff7a45405c990c29ac9ca40b0bc3ec29263d218c5e01f2b4e86 \
+    --hash=sha256:8c07a3bb7640e371f8a609bdbb2366a1976c6a2589da8ef917f761a61e3ad8b1
 packaging==20.0 \
     --hash=sha256:aec3fdbb8bc9e4bb65f0634b9f551ced63983a529d6a8931817d52fdd0816ddb \
     --hash=sha256:fe1d8331dfa7cc0a883b49d75fc76380b2ab2734b220fbb87d774e4fd4b851f8